Dancing links question set [from summer wind]

Poj3740 easy finding [precise coverage of basic questions]
Hust1017 exact cover [precise coverage Basics]
Hdoj3663power
Stations [precise coverage]
Zoj3209
Treasure map [precise coverage]
Hdoj2828lamp
[Precise coverage + repeated coverage determining independence]
Hdoj3498whosyourdaddy
[Duplicate overwriting]
Hdoj3529bomberman
-Just search! [Duplicate overwriting]
Poj1084
Square destroyer [duplicate overwriting]
Hdoj2119matrix
[Duplicate overwriting]
Hdoj2295radar
[Binary + repeated coverage]
Hdoj3656fire
Station [binary + repeated coverage]
Hdoj3156repair
Depots [binary + repeated overwrite]
Hdoj2518dominoes
[It is said that exact overwrite is used to create a table...]
Hdoj3957street
Fighter [precise overwrite + repeated overwrite]
Fzu1686, nuaa1507 [repeat coverage Basics]
Hit2199, 2882,2959 [precise coverage (Sudoku)]
Spoj1771 [precise coverage (n queen problem)]
Poj3435 [okay...]

[Sudoku series]
Hdoj1426sudoku
Killer
Poj2676
Sudoku
Poj3074
Sudoku
Poj3076
Sudoku
HDOJ2780Su-Su-Sudoku
Hdoj3111sudoku
Hdoj3909sudoku
Hdoj4069squigugly
Sudoku

Hdoj1603a
Puzzling problem [precise coverage]

Hdoj1530 maximum clique [it is said that you can use the dancing links Method to Solve the largest problem after converting the supplementary graph...]